﻿// A simple program that computes the square root of a number

#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include "TutorialConfig.h"

#ifdef USE_MYMATH
#include "MathFunctions.h"
#endif


int main(int argc, char* argv[])
{
    argc = 2;
    argv[0] = "";
    argv[1] = "25";

    if (argc < 2) {
        fprintf(stdout, "%s Version %d.%d\n", argv[0], Tutorial_VERSION_MAJOR, Tutorial_VERSION_MINOR);
        fprintf(stdout, "Usage: %s number\n", argv[0]);
        return 1;
    }

    double inputValue = atof(argv[1]);
    double outputValue;
#if defined (HAVE_LOG) && defined (HAVE_EXP)
    outputValue = exp(log(inputValue) * 0.5);
#else
    outputValue = sqrt(inputValue);
#endif
    fprintf(stdout, "The square root of %g are %g\n", inputValue, outputValue);

#ifdef USE_MYMATH
    double outputResult = mysqrt(inputValue);
#endif

    system("pause");
    return 0;
}